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https://issues.apache.org/jira/browse/OPENJPA-525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12728365#action_12728365
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Milosz Tylenda commented on OPENJPA-525:
----------------------------------------

Hi Albert. I have tried the patch with MySQL and it resolved most of the LOB 
streaming errors. Unfortunately one LOB streaming test still fails and it looks 
like another one started failing:

  
testQueryQualifiedId(org.apache.openjpa.persistence.jdbc.maps.spec_10_1_27_ex6.TestSpec10_1_27_Ex6)
  testUpdateWithNull(org.apache.openjpa.jdbc.meta.strats.TestReaderLob)



> Inserts new entity with NULL value for Clob column actually inserts empty 
> string
> --------------------------------------------------------------------------------
>
>                 Key: OPENJPA-525
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-525
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 1.0.0, 1.0.2, 1.1.0, 2.0.0
>         Environment: OpenJPA 1.0.0, 1.0.2
> Oracle XE 10g (JDBC driver 10.2.0.3.0
> JRE 1.5.0_13
>            Reporter: Frank Le
>             Fix For: 1.1.1, 2.0.0
>
>         Attachments: OPENJPA-525.2.patch, OPENJPA525.patch, 
> OPENJPA525_1_1_x.patch
>
>
> Inserts new entity with NULL value for Clob column with "nullable = true" 
> actually inserts empty string as the value!
> Here's the persistence class:
> public class Exam... {
>     @Lob
>     private String text;
> }

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